Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

8 hosts · 305 ms

HostCertsFirst seenLast seenDNS
hod.team 3 2026-01-12 2026-09-25 ok
*.hod.team 3 2026-01-12 2026-09-25 —
mail.hod.team 33 2026-04-10 2026-09-16 ok
app.hod.team 29 2026-05-12 2026-10-04 ok
cliq.hod.team 2 2026-09-18 2026-09-18 ok
resources.hod.team 1 2026-09-23 2026-09-23 ok
*.resources.hod.team 1 2026-09-23 2026-09-23 —
z.hod.team 2 2026-10-04 2026-10-04 ok

Programmatic access, with DNS A records: API GET /v1/hosts/hod.team (API key for paging).

Shown here: hostnames with a certificate that is valid now or expired within the last 90 days. The full history since 2013 — hostnames whose last certificate expired earlier — is a Pro plan method: GET /v1/hosts-history/hod.team.